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Code Types

in article > Faqs: Playstation 2
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Standard Format (CB/GS/XP/AR2)

Code TypeFormat What it does

Write Commands

8-bit Constant Write 0aaaaaaa 000000dd

This command will constantly write the value specified by dd to the address specified by aaaaaaa .

16-bit Constant Write 1aaaaaaa 0000dddd This command will constantly write the value specified by dddd to the address specified by aaaaaaa .

32-bit Constant Write

2aaaaaaa dddddddd

This command will constantly write the value specified by dddddddd to the address specified by aaaaaaa .

Increment/Decrement Commands

8-bit Increment 301000nn aaaaaaaa This command adds the value specified by nn to the value stored at the address aaaaaaaa .
8-bit Decrement 302000nn aaaaaaaa

This command subtracts the value specified by nn to the value stored at the address aaaaaaaa .

16-bit Increment 3030nnnn aaaaaaaa

This command adds the value specified by nnnn to the value stored at the address aaaaaaaa .

16-bit Decrement 3040nnnn aaaaaaaa

This command subtracts the value specified by nnnn to the value stored at the address aaaaaaaa .

32-bit Increment

30500000 aaaaaaaa
nnnnnnnn 00000000

This command adds the value specified by nnnnnnnn to the value stored at the address aaaaaaaa .

32-bit Decrement 30600000 aaaaaaaa
nnnnnnnn 00000000

This command subtracts the value specified by nnnnnnnn to the value stored at the address aaaaaaaa .

Test Commands

16-bit Equal Daaaaaaa 0000dddd

Only when the value at the address specified by aaaaaaa is equal to the value specified by dddd will the next line of code be executed.

16-bit Not Equal

Daaaaaaa 0010dddd

Only when the value at the address specified by aaaaaaa is not equal to the value specified by dddd will the next line of code be executed.

16-bit Less Than

Daaaaaaa 0020dddd

Only when the value at the address specified by aaaaaaa is less than the value specified by dddd will the next line of code be executed.

16-bit Greater Than Daaaaaaa 0030dddd Only when the value at the address specified by aaaaaaa is greater than the value specified by dddd will the next line of code be executed.

16-bit Equal : Multiple Skip

Ennndddd 0aaaaaaa Only when the value at the address specified by aaaaaaa is equal to the value specified by dddd will the next nnn lines of code be executed. Otherwise, they will be skipped.
16-bit Not Equal : Multiple Skip Ennndddd 1aaaaaaa

Only when the value at the address specified by aaaaaaa is not equal to the value specified by dddd will the next nnn lines of code be executed. Otherwise, they will be skipped.

16-bit Less Than : Multiple Skip

Ennndddd 2aaaaaaa

Only when the value at the address specified by aaaaaaa is less than the value specified by dddd will the next nnn lines of code be executed. Otherwise, they will be skipped.

16-bit Greater Than : Multiple Skip Ennndddd 3aaaaaaa Only when the value at the address specified by aaaaaaa is greater than the value specified by dddd will the next nnn lines of code be executed. Otherwise, they will be skipped.

Miscellaneous Commands

Copy Bytes 5aaaaaaa nnnnnnnn
bbbbbbbb 00000000
a = Address to copy from
b = Address to copy to
n = Number of bytes to copy
32-bit Multi-Address Write 4aaaaaaa xxxxyyyy
dddddddd 00000000
Starting with the address specified by aaaaaaa, this code will write to xxxx addresses. The next address is determined by incrementing the current address by (yyyy * 4). The value specified by dddddddd is written to each calculated address. Also known as a "Patch Code."

Untested Commands

Master-Command 8aaaaaaa bbbbbbbb
cccccccc 00000000
One Time ActivatorAaaaaaaa 000000xx
Time Command B0000000 nnnnnnnn v = delay value (32 bit)
Delay putting on all following codes for v cycles; effect varies between games.
To act on all codes, put it at the top of the code list!

B0000000 10000000
Loop is executed 0x10000000 times.
Code StopperCaaaaaaa vvvvvvvv a = address (25 bit)
v = value (32 bit)

All following codes will be executed only, if 32-bit value at given address, a, is equal to given value, v.
Otherwise, they will be skipped. Can be used to exit the code sequence at any point.
To act on all codes (like traditional "Auto Activation"), put it at the top of the code list!
Example:
C0153880 03E00008
If the 32-bit value 0x03E00008 is at the address 0x00153880, then activate all following codes. Otherwise, do nothing.
Master-Command Faaaaaaa bbbbbbbb
Master Joker Command E0aabbbb 00xxxxxx


CB7+
All above codes also work on CB7+ here are what are added to it some of below codes may work on other devices and lower vers of CB but are untested on CB1-6..

Code TypeFormat What it does

Increment/Decrement Commands

8-bit Increment 300000nn aaaaaaaa This command adds the value specified by nn to the value stored at the address aaaaaaaa .
8-bit Decrement 301000nn aaaaaaaa This command subtracts the value specified by nn to the value stored at the address aaaaaaaa .
16-bit Increment 3020nnnn aaaaaaaa This command adds the value specified by nnnn to the value stored at the address aaaaaaaa .
16-bit Decrement 3030nnnn aaaaaaaa This command subtracts the value specified by nnnn to the value stored at the address aaaaaaaa .
32-bit Increment 30400000 aaaaaaaa
nnnnnnnn 00000000
This command adds the value specified by nnnnnnnn to the value stored at the address aaaaaaaa .
32-bit Decrement 30500000 aaaaaaaa
nnnnnnnn 00000000
This command subtracts the value specified by nnnnnnnn to the value stored at the address aaaaaaaa .

Test Commands

16-bit Greater Than : Multiple Skip Ezyyvvvv taaaaaaaA = address to check from
T = type, 0 = equal to, 1 = not equal to,
               2 = Less Than, 3 = Greater Than
V = 16 or 8 bit value
YY = # of codes to skip if condition is false
Z = 0 =16-bit, 1 = 8-bit

Pointer Commands

8-bit write6aaaaaaa 000000vv
0000nnnn iiiiiiii
a = address to load 32-bit base from (25 bit)
v = value to store at base + offset (8/16/32 bit)
n = number of times to point (16 bit)
i = 32-bit offset to add to base (n = 1)
16-bit write6aaaaaaa 0000vvvv
0001nnnn iiiiiiii
a = address to load 32-bit base from (25 bit)
v = value to store at base + offset (8/16/32 bit)
n = number of times to point (16 bit)
i = 32-bit offset to add to base (n = 1)
32-bit write6aaaaaaa vvvvvvvv
0002nnnn iiiiiiii
a = address to load 32-bit base from (25 bit)
v = value to store at base + offset (8/16/32 bit)
n = number of times to point (16 bit)
i = 32-bit offset to add to base (n = 1)
Extra pointer line3rd lineExample 2:
602829D8 FFFFFFFF
00020002 0000071C
0000FB20 00000000
- loads base at address 0x002829D8, say base is 0x00290000
- adds offset 0x0000071C to make address 0x0029071C
- loads base at address 0x0029071C, say base is 0x002A0000
- adds offset 0x0000FB20 to make address 0x002AFB20
- stores 32-bit value 0xFFFFFFFF to address 0x002AFB20

Note that execution stops, if (base & 0x3FFFFFFC) == 0.

Boolean Commands  (Code type 7)

8-bit OR7aaaaaaa 000000vva = address (25 bit)
8-bit AND7aaaaaaa 000200vvv = value (8/16 bit)
8-bit XOR 7aaaaaaa 000400vvPerforms a bitwise logical operation between given value, v, and the value stored at
16-bit OR 7aaaaaaa 0001vvvvgiven address, a. (Example:)
16-bit AND7aaaaaaa 0003vvvv7048D402 005014A9
16-bit XOR 7aaaaaaa 0005vvvv0x14A9 is XORed to the 16-bit value at address 0x0048D402.

Miscellaneous Commands

Copy Bytes 5aaaaaaa nnnnnnnn
bbbbbbbb 00000000
a = Address to copy from
b = Address to copy to
n = Number of bytes to copy
32-bit Multi-Address Write 4aaaaaaa xxxxyyyy
dddddddd 00000000
Starting with the address specified by aaaaaaa, this code will write to xxxx addresses. The next address is determined by incrementing the current address by (yyyy * 4). The value specified by dddddddd is written to each calculated address. Also known as a "Patch Code."
32-bit Multi-Address Write/Value increase (GS/CB6+)4aaaaaaa xxxxyyyy
dddddddd IIIIIIII
Same As above but the I = size of value step (32 bit) as in how much it will count up on each address..
Example
4099A20C 00060002
00000000 00100000
- writes 0x00000000 to 0x0099A20C
- writes 0x00100000 to 0x0099A214
- writes 0x00200000 to 0x0099A21C
- writes 0x00300000 to 0x0099A224
- writes 0x00400000 to 0x0099A22C
- writes 0x00500000 to 0x0099A234

Credit to
hellion00.thegfcc.com
Codemasters-Projects (CMP)
Xploder Freaxs (XFX)


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